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TPS54427DDA
Switching Voltage Regulators 4.5-18Vin,4A Sync SD SWIFT Cnvrtr
TPS54427DDA
Switching Voltage Regulators 4.5-18Vin,4A Sync SD SWIFT Cnvrtr
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Manufacturer Part # : TPS54427DDA
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Package/Case: HSOIC-8
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Part Status : ACTIVE
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - DC DC Switching Regulators
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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TPS54427DDA DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
One of the standout features of the TPS54427DDA is its adjustable switching frequency, which can be set anywhere between 200kHz to 2.2MHz. This flexibility allows users to optimize efficiency and minimize external component size based on their specific requirements. Additionally, the device boasts a voltage reference accuracy of ±1% over temperature, ensuring precise output voltage regulation even in varying environmental conditions
Key Features
- Over Current Protection for Safe Operation
- Low Noise and Low Ripple Output
- High Initial Bandgap Reference Accuracy
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Vin (min) (V) | 4.5 | Vin (max) (V) | 18 |
| Vout (min) (V) | 0.76 | Vout (max) (V) | 7 |
| Iout (max) (A) | 4 | Iq (typ) (mA) | 0.95 |
| Switching frequency (min) (kHz) | 650 | Switching frequency (max) (kHz) | 650 |
| Features | Enable, Soft Start Adjustable, Synchronous Rectification | Operating temperature range (°C) | -40 to 85 |
| Rating | Catalog | Regulated outputs (#) | 1 |
| Control mode | current mode | Duty cycle (max) (%) | 65 |
| Type | Converter |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TPS54427DDA?
The TPS54427DDA is a synchronous step-down DC-DC converter integrated circuit (IC) manufactured by Texas Instruments. It is designed for high-efficiency power supply applications, including telecom, industrial, and consumer electronics.
How Does TPS54427DDA Work?
The TPS54427DDA operates by converting a higher voltage input into a lower voltage output with high efficiency. It utilizes synchronous rectification to minimize power loss and features a pulse width modulation (PWM) control scheme for accurate output regulation. The IC includes internal compensation to simplify design and reduce external component count.
How Many Pins does TPS54427DDA have and What are the Functions of the Pinout Configuration?
The TPS54427DDA is housed in an 8-pin WSON (Wide Small Outline No-Lead) package. The pinout configuration includes:
- SW: Switching node connection for the power stage.
- BOOT: Bootstrap capacitor pin for the high side gate drive.
- PH/SENSE: Phase compensation or current sense input pin.
- PGND: Power ground connection for the power stage.
- FB: Feedback input for output voltage regulation.
- SS/TR/EN: Soft-start/tracking or enable input pin.
- COMP: Compensation pin for control loop stability.
- VIN: Power input pin.
What are the Pros and Cons of TPS54427DDA?
Pros:
- High Efficiency: Provides high efficiency in step-down power conversion applications.
- Compact Package: Housed in a small form factor package for space-constrained designs.
- Internal Compensation: Includes internal compensation for simplified design and reduced external components.
- Wide Input Voltage Range: Suitable for a wide range of input voltage requirements.
- Enhanced EMI Performance: Features to facilitate enhanced electromagnetic interference (EMI) performance in sensitive applications.
Cons:
- External Components: May require additional external components for optimal performance based on application requirements.
- Complexity: Requires careful consideration of layout and thermal management for high-power applications.
- Thermal Performance: Thermal management may be a concern in high-power density applications.
Are There Any Equivalents/Alternatives to TPS54427DDA for Recommendation?
- The TPS54327 from Texas Instruments is a similar synchronous step-down converter with alternate features.
- Alternatives to the TPS54427DDA include the LT8609S from Analog Devices and the MP2459 from Monolithic Power Systems.
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